Improving resolution by image registration
CVGIP: Graphical Models and Image Processing
Knowledge-based augmented reality
Communications of the ACM - Special issue on computer augmented environments: back to the real world
Salient video stills: content and context preserved
MULTIMEDIA '93 Proceedings of the first ACM international conference on Multimedia
Improving registration precision through visual horizon silhouette matching
IWAR '98 Proceedings of the international workshop on Augmented reality : placing artificial objects in real scenes: placing artificial objects in real scenes
Intelligent Image Processing
Guest Editor's Introduction: Wearable Computing-Toward Humanistic Intelligence
IEEE Intelligent Systems
Hybrid Inertial and Vision Tracking for Augmented Reality Registration
VR '99 Proceedings of the IEEE Virtual Reality
ISWC '97 Proceedings of the 1st IEEE International Symposium on Wearable Computers
Video orbits of the projective group a simple approach to featureless estimation of parameters
IEEE Transactions on Image Processing
Comparametric equations with practical applications in quantigraphic image processing
IEEE Transactions on Image Processing
Personal and Ubiquitous Computing
Continuous lifelong capture of personal experience with EyeTap
Proceedings of the the 1st ACM workshop on Continuous archival and retrieval of personal experiences
Hands-on, simulated, and remote laboratories: A comparative literature review
ACM Computing Surveys (CSUR)
Sousveillance and cyborglogs: a 30-year empirical voyage through ethical, legal, and policy issues
Presence: Teleoperators and Virtual Environments - Special section: Legal, ethical, and policy issues associated with virtual environments and computer mediated reality
ClayVision: the (elastic) image of the city
Proceedings of the SIGCHI Conference on Human Factors in Computing Systems
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Diminished reality is as important as augmented reality, and both are possible with a device called the Reality Mediator. Over the past two decades, we have designed, built, worn, and tested many different embodiments of this device in the context of wearable computing, Incorporated into the Reality Mediator is an "EyeTap" system, which is a device that quantifies and resynthesizes light that would otherwise pass through one or both lenses of the eye(s) of a wearer. The functional principles of EyeTap devices are discussed, in detail. The EyeTap diverts into a spatial measurement system at least a portion of light that would otherwise pass through the center of projection of at least one lens of an eye of a wearer. The Reality Mediator has at least one mode of operation in which it reconstructs these rays of light, under the control of a wearable computer system. The computer system then uses new results in algebraic projective geometry and comparametric equations to perform head tracking, as well as to track motion of rigid planar patches present in the scene. We describe how our tracking algorithm allows an EyeTap to alter the light from a particular portion of the scene to give rise to a computer-controlled, selectively mediated reality. An important difference between mediated reality and augmented reality includes the ability to not just augment but also deliberately diminish or otherwise alter the visual perception of reality. For example, diminished reality allows additional information to be inserted without causing the user to experience information overload. Our tracking algorithm also takes into account the effects of automatic gain control, by performing motion estimation in both spatial as well as tonal motion coordinates.